nanocore | 01b22d07b03ed81fd1f04876e2aa61bf0e803716f9b4a583b2684ef96aca63e6

Analysis

user interaction
yes
max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
30/04/2026, 10:09

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General

Target
hotro.exe
Size 203KB
Sample260430-l626qads9s
SHA256 01b22d07b03ed81fd1f04876e2aa61bf0e803716f9b4a583b2684ef96aca63e6
MD5 c5e50f8f2d899bcc333fafeca1ebbf89
SHA1 f57678aa11efb765aa4aa91070a96e2128ef76ad
SHA512 4d2c67827665bca3e962f3301a9c568221bcb5a330d0f14692c800b5f8b0e4705cee06e010015be62e2e08f6d9f9df005f6083edc2fef3a9bb33aba60d4c015e
SSDEEP 6144:MLV6Bta6dtJmakIM5KNLiVdjyTMyIdWuA:MLV6BtpmkLkjyIfMuA
TLSH
T1D714CF6637A88A3FD2CE8679611202539379C2E399C3F3DE28D455B78B627E14B071D3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

moxai.io:443
www.moxai.io:443

Mutex

6f00130e-e542-46f9-9b32-f3b4fa9b36ba

Attributes

activate_away_mode
true
backup_connection_host
www.moxai.io
backup_dns_server
37.235.1.177
buffer_size
65535
build_time
2026-02-09T11:50:36.628057936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
443
default_group
xoilac
enable_debug_mode
false
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2491
max_packet_size
1.048576e+07
mutex
6f00130e-e542-46f9-9b32-f3b4fa9b36ba
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
moxai.io
primary_dns_server
37.235.1.174
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8003

Signatures

Family: NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 1 IoCs

pid	Process
4540	tcpmon.exe

Unexpected DNS network traffic destination 10 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	5	37.235.1.174	1776	hotro.exe
Destination IP	23	37.235.1.174	1776	hotro.exe
Destination IP	38	37.235.1.174	1776	hotro.exe
Destination IP	40	37.235.1.177	1776	hotro.exe
Destination IP	44	37.235.1.174	1776	hotro.exe
Destination IP	54	37.235.1.174	1776	hotro.exe
Destination IP	55	37.235.1.177	1776	hotro.exe
Destination IP	14	37.235.1.177	1776	hotro.exe
Destination IP	24	37.235.1.177	1776	hotro.exe
Destination IP	46	37.235.1.177	1776	hotro.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Monitor = "C:\\Program Files (x86)\\TCP Monitor\\tcpmon.exe"	hotro.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	hotro.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Monitor\tcpmon.exe	hotro.exe
File opened for modification	C:\Program Files (x86)\TCP Monitor\tcpmon.exe	hotro.exe
File opened for modification	C:\Program Files (x86)\TCP Monitor\client.log	tcpmon.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tcpmon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hotro.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hotro.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4776	schtasks.exe
2500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe
1776	hotro.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1776	hotro.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	hotro.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 4776	1776	hotro.exe	84
PID 1776 wrote to memory of 2500	1776	hotro.exe	86

C:\Users\Admin\AppData\Local\Temp\hotro.exe
"C:\Users\Admin\AppData\Local\Temp\hotro.exe"
1⤵
- Unexpected DNS network traffic destination
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "TCP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp37B5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4776
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "TCP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3852.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2500

C:\Program Files (x86)\TCP Monitor\tcpmon.exe
"C:\Program Files (x86)\TCP Monitor\tcpmon.exe"
1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4540

C:\Users\Admin\AppData\Local\Temp\hotro.exe
"C:\Users\Admin\AppData\Local\Temp\hotro.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3928

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tcpmon.exe

Path C:\Program Files (x86)\TCP Monitor\tcpmon.exe
Size 203KB
SHA256 01b22d07b03ed81fd1f04876e2aa61bf0e803716f9b4a583b2684ef96aca63e6
MD5 c5e50f8f2d899bcc333fafeca1ebbf89
SHA1 f57678aa11efb765aa4aa91070a96e2128ef76ad
SHA512 4d2c67827665bca3e962f3301a9c568221bcb5a330d0f14692c800b5f8b0e4705cee06e010015be62e2e08f6d9f9df005f6083edc2fef3a9bb33aba60d4c015e
SSDEEP 6144:MLV6Bta6dtJmakIM5KNLiVdjyTMyIdWuA:MLV6BtpmkLkjyIfMuA
TLSH
T1D714CF6637A88A3FD2CE8679611202539379C2E399C3F3DE28D455B78B627E14B071D3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp37B5.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp37B5.tmp
Size 1KB
SHA256 e80a2dc595a2be4b1dee9d2b54aa4225ff267baca3653b1f7622763729431f80
MD5 bd65c56c9614f5ebeda43d81384f94d7
SHA1 ccfdbd56f430b0646224dadccc59cdce09d07ef4
SHA512 03ae9e36577f06072f166a6dc06379c2a03827de36a3415f94ff2c4170b236fcaa55ef361d181d118a3dc5ea84d2bc5e6af01f7b409e1d37faab3c275d2c5e15
TLSH
T18021C064ACC0F61F66715629A79197C2DE2A57A301564138FCCC4A7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmp3852.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3852.tmp
Size 1KB
SHA256 9779a221d78366901f8b109e0018e9197a40bea80618c935585a30980d9e9148
MD5 32e4166428ba211917e2e78b94efe76a
SHA1 2a6954b85c9ad5fe2cf2a2b9180633c2ed9d5a07
SHA512 e1027d5f3ab61f906e815964536a444f57f1dda7762801025caec9ea6556f4df0654d83a324265df4f09e65d3b324daf47979b4dd9d08b84389f5690d7ff0cdd
TLSH
T1C921C064ACC0F65B66715635A39197C2DF2A97A301564138FCCC4A7F2FB6286304357B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1776-16-0x0000000001010000-0x0000000001020000-memory.dmp

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memory/1776-1-0x00000000746F2000-0x00000000746F4000-memory.dmp

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memory/1776-23-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/1776-22-0x00000000066A0000-0x00000000066A6000-memory.dmp

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memory/1776-17-0x00000000746F2000-0x00000000746F4000-memory.dmp

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memory/1776-0-0x0000000001010000-0x0000000001020000-memory.dmp

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memory/1776-15-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/3928-14-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/3928-13-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/3928-21-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/4540-20-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/4540-12-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/4540-11-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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